Search results
The Do/While Loop. The do/while loop is a variant of the while loop. This loop will execute the code block once, before checking if the condition is true, then it will repeat the loop as long as the condition is true. Syntax Get your own Java Server. do { // code block to be executed} while (condition); The example below uses a do/while loop.
Within a method, we can alter the flow of control using either conditionals or loops. The loop statements while, do-while, and for. allow us execute a statement(s) over and over. Like a conditional, a loop is controlled by a boolean expression that determines how many times the statement is executed. E.g.,
22 mar 2023 · Java do-while loop is an Exit control loop. Therefore, unlike for or while loop, a do-while check for the condition after executing the statements of the loop body. Syntax: do. { // Loop Body. Update_expression. } // Condition check. while (test_expression);
The while Loop • A while loop has the following syntax: • If condition is true, statement is executed • Then condition is evaluated again, and if it is still true, statement is executed again • statement is executed repeatedly until condition becomes false while ( condition){statement;}
The while Loop (Indefinite loop) • A control construct for specifying repetition • General Structure: while (condition) { //Statements to be repeated }
The while and do-while Statements. The while statement continually executes a block of statements while a particular condition is true. Its syntax can be expressed as: while (expression) { statement(s) } The while statement evaluates expression, which must return a boolean value.
Loops containing a single statement: while ( boolean_expression ) statement; do statement; while ( boolean_expression ); for ( initializer ; boolean_expr ; increment ) statement; The statement can be null, but semi-colon is required. For example: /* skip blanks */.
